package com.xiaolun;

/**
 * @Author 硕鼠
 * @Date 2020/6/1 17:17
 * @Version 1.0
 * @Description 文件说明
 */
public class TestPC2 {
    public static void main(String[] args) {
        Tv tv = new Tv();
        new Player(tv).start();
        new Water(tv).start();
    }
}

//生产者：演员
class Player extends Thread{
    Tv tv;
    public Player (Tv tv){
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            if (i%2 == 0){
                this.tv.play("--->快乐大本营播放中");
            }else {
                this.tv.play("--->抖音播放中");
            }
        }
    }
}

//消费者:观众
class Water extends Thread{
    Tv tv;
    public Water( Tv tv){
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            tv.watch(); //观众只管看
        }
    }
}

//产品:节目
class Tv{
    //演员表演，观众观看
    //观众观看，演员表演
    String voice; //表演的界面
    boolean flag = true; //设置的标志位

    //表演
    public synchronized void play(String voice){
        if (!flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("演员表演了:"+voice);

        //通知观众观看
        this.notifyAll();
        this.voice = voice; //更新观看界面
        this.flag = !this.flag; //更新标志位
    }

    //观看
    public synchronized void watch(){
        if (flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("观众观看了:"+voice);
        //通知演员表演
        this.notifyAll();
        this.flag = !this.flag;
    }
}